Published by:
CGP EDU Academic Team
Published on: August 12, 2026
The pair that is referred as 'chemical twins' is:
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
C
Tc & Re belong to same group. The atomic radius of elements of second transition series is similar to that of third transition elements, due to poor shielding of 
-orbitals.
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